Lambro 4″ x 8′ T-Lock UL 181 Semi-Rigid Aluminum Air Duct – 302FUL

The Lambro 4″ x 8′ T-Lock UL 181 Semi-Rigid Aluminum Air Duct (Model 302FUL) is engineered for high-performance air ventilation in residential and commercial HVAC systems. This semi-rigid duct offers superior durability and flexibility, making it ideal for venting dryers, exhaust fans, or general air movement in tight or challenging spaces. UL 181 safety rated, it meets industry standards for flame resistance and quality. The T-Lock design ensures a secure fit and easy installation without the need for additional fasteners. Crafted from corrosion-resistant aluminum, the duct maintains its shape and performance even under extended use and high temperatures.